Back to index...

	/*
	* Copyright (c) 2002, 2003, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation. Oracle designates this
	* particular file as subject to the "Classpath" exception as provided
	* by Oracle in the LICENSE file that accompanied this code.
	*
	* This code is distributed in the hope that it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/

	package com.sun.jmx.snmp.defaults;


	// java import
	//
	import java.io.File;
	import java.io.BufferedReader;
	import java.io.InputStream;
	import java.io.InputStreamReader;
	import java.util.StringTokenizer;

	/**
	* This class represents a set of default directories used by Java DMK.
	*
	* <p><b>This API is a Sun Microsystems internal API and is subject
	* to change without notice.</b></p>
	* @since 1.5
	*/
	public class DefaultPaths {
	private static final String INSTALL_PATH_RESOURCE_NAME = "com/sun/jdmk/defaults/install.path";
	// private constructor defined to "hide" the default public constructor
	private DefaultPaths() {

	}

	// PUBLIC STATIC METHODS
	//----------------------

	/**
	* Returns the installation directory for Java DMK.
	*
	* The default value of the installation directory is:
	* <CODE><base_dir> + File.separator + SUNWjdmk + File.separator + jdmk5.0 </CODE>
	*
	* @return Java DMK installation directory.
	*/
	public static String getInstallDir() {
	if (installDir == null)
	return useRessourceFile();
	else
	return installDir;
	}

	/**
	* Returns the installation directory for Java DMK concatenated with dirname.
	*
	* The default value of the installation directory is:
	* <CODE><base_dir> + File.separator + SUNWjdmk + File.separator + jdmk5.0 </CODE>
	*
	* @param dirname The directory to be appended.
	*
	* @return Java DMK installation directory + <CODE>File.separator</CODE> + <CODE>dirname</CODE>.
	*/
	public static String getInstallDir(String dirname) {
	if (installDir == null) {
	if (dirname == null) {
	return getInstallDir();
	} else {
	return getInstallDir() + File.separator + dirname;
	}
	} else {
	if (dirname == null) {
	return installDir;
	} else {
	return installDir + File.separator + dirname;
	}
	}
	}

	/**
	* Sets the installation directory for Java DMK.
	*
	* @param dirname The directory where Java DMK resides.
	*/
	public static void setInstallDir(String dirname) {
	installDir = dirname;
	}

	/**
	* Returns the <CODE>etc</CODE> directory for Java DMK.
	* <P>
	* The default value of the <CODE>etc</CODE> directory is:
	* <UL>
	* <LI><CODE>DefaultPaths.getInstallDir("etc")</CODE>.
	* </UL>
	*
	* @return Java DMK <CODE>etc</CODE> directory.
	*/
	public static String getEtcDir() {
	if (etcDir == null)
	return getInstallDir("etc");
	else
	return etcDir;
	}

	/**
	* Returns the <CODE>etc</CODE> directory for Java DMK concatenated with dirname.
	* <P>
	* The default value of the <CODE>etc</CODE> directory is:
	* <UL>
	* <LI><CODE>DefaultPaths.getInstallDir("etc")</CODE>.
	* </UL>
	*
	* @param dirname The directory to be appended.
	*
	* @return Java DMK <CODE>etc</CODE> directory + <CODE>File.separator</CODE> + <CODE>dirname</CODE>.
	*/
	public static String getEtcDir(String dirname) {
	if (etcDir == null) {
	if (dirname == null) {
	return getEtcDir();
	} else {
	return getEtcDir() + File.separator + dirname;
	}
	} else {
	if (dirname == null) {
	return etcDir;
	} else {
	return etcDir + File.separator + dirname;
	}
	}
	}

	/**
	* Sets the <CODE>etc</CODE> directory for Java DMK.
	*
	* @param dirname The <CODE>etc</CODE> directory for Java DMK.
	*/
	public static void setEtcDir(String dirname) {
	etcDir = dirname;
	}

	/**
	* Returns the <CODE>tmp</CODE> directory for the product.
	* <P>
	* The default value of the <CODE>tmp</CODE> directory is:
	* <UL>
	* <LI><CODE>DefaultPaths.getInstallDir("tmp")</CODE>.
	* </UL>
	*
	* @return Java DMK <CODE>tmp</CODE> directory.
	*/
	public static String getTmpDir() {
	if (tmpDir == null)
	return getInstallDir("tmp");
	else
	return tmpDir;
	}

	/**
	* Returns the <CODE>tmp</CODE> directory for Java DMK concatenated with dirname.
	* <P>
	* The default value of the <CODE>tmp</CODE> directory is:
	* <UL>
	* <LI><CODE>DefaultPaths.getInstallDir("tmp")</CODE>.
	* </UL>
	*
	* @param dirname The directory to be appended.
	*
	* @return Java DMK <CODE>tmp</CODE> directory + <CODE>File.separator</CODE> + <CODE>dirname</CODE>.
	*/
	public static String getTmpDir(String dirname) {
	if (tmpDir == null) {
	if (dirname == null) {
	return getTmpDir();
	} else {
	return getTmpDir() + File.separator + dirname;
	}
	} else {
	if (dirname == null) {
	return tmpDir;
	} else {
	return tmpDir + File.separator + dirname;
	}
	}
	}

	/**
	* Sets the <CODE>tmp</CODE> directory for the product
	*
	* @param dirname The <CODE>tmp</CODE> directory for Java DMK.
	*/
	public static void setTmpDir(String dirname) {
	tmpDir = dirname;
	}


	// PRIVATE STATIC METHODS
	//-----------------------

	private static String useRessourceFile() {
	InputStream in = null;
	BufferedReader r = null;
	try {
	in =
	DefaultPaths.class.getClassLoader().getResourceAsStream(INSTALL_PATH_RESOURCE_NAME);
	if(in == null) return null;
	r = new BufferedReader(new InputStreamReader(in));
	installDir = r.readLine();
	}catch(Exception e) {
	}
	finally {
	try {
	if(in != null) in.close();
	if(r != null) r.close();
	}catch(Exception e) {}
	}
	return installDir;
	}

	// PRIVATE VARIABLES
	//------------------

	/**
	* Directories used by Java DMK.
	*/
	private static String etcDir;
	private static String tmpDir;
	private static String installDir;
	}

Back to index...